12381831520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{80527}}^1$

素因数の和:80604

約数の個数: 72

約数和(自身を含む): 30226506912

約数和(自身を除く): 17844675392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1922, 2480, 3844, 4805, 4960, 7688, 9610, 15376, 19220, 30752, 38440, 76880, 80527, 153760, 161054, 322108, 402635, 644216, 805270, 1288432, 1610540, 2496337, 2576864, 3221080, 4992674, 6442160, 9985348, 12481685, 12884320, 19970696, 24963370, 39941392, 49926740, 77386447, 79882784, 99853480, 154772894, 199706960, 309545788, 386932235, 399413920, 619091576, 773864470, 1238183152, 1547728940, 2476366304, 3095457880, 6190915760, 12381831520]

約数ペア:

[(1, 12381831520), (2, 6190915760), (4, 3095457880), (5, 2476366304), (8, 1547728940), (10, 1238183152), (16, 773864470), (20, 619091576), (31, 399413920), (32, 386932235), (40, 309545788), (62, 199706960), (80, 154772894), (124, 99853480), (155, 79882784), (160, 77386447), (248, 49926740), (310, 39941392), (496, 24963370), (620, 19970696), (961, 12884320), (992, 12481685), (1240, 9985348), (1922, 6442160), (2480, 4992674), (3844, 3221080), (4805, 2576864), (4960, 2496337), (7688, 1610540), (9610, 1288432), (15376, 805270), (19220, 644216), (30752, 402635), (38440, 322108), (76880, 161054), (80527, 153760)]